1661528730 is an even 10-digits composite number following 1661528729
and preceding 1661528731 . In scientific notation, it is written as 1.661528730 × 10^9.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 443074320 positive integers (up to 1661528730) that are relatively prime to 1661528730.
1661528730 has 8 divisors, whose sum is 2658446016
The reverse of 1661528730 is 0378251661
Previous prime number is 15
Is Prime? no
Number parity even
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion six hundred sixty-one million five hundred twenty-eight thousand seven hundred thirty
Scientific notation
1.661528730 × 10^9
Engineering notation
1.661528730 × 10^9
Prime Factorization
2 × 15 × 55384291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661528730
Product of the distinct prime numbers
The prime factorization of 1661528730 is 2 × 15 × 55384291.
Since it has a total of 3 prime factors.
3 , 8 , 61 , 59 , 76 , 941 , 7603 , 8624 , 82512 , 92013 , 938962 , 513772 , 4484212 , 2979511 , 60720879 , 65092218 , 751744186 , 422310334 , 5592235537 , 7338549927
n×2
3323057460
n×3
4984586190
n×4
6646114920
n×5
8307643650
n÷2
830764365
n÷3
553842910
n÷3
415382182.5
n÷5
332305746
n2
2760677720615412900
n3
4.5869453470734E+27
n4
7.6213414771023E+36
n5
1.2663077825346E+46
2 √n
40761.853858724
3 √n
1184.411507896
4 √n
201.89565091582
5 √n
69.839572294957
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661528729
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661528730 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661528730) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010001110101010011010
3
Ternary
11021210110101221010
4
Quaternary
1203002032222122
5
Quinary
11400322404410
6
Senary
432512154350
8
Octal
14302165232
10
Decimal
1661528730
12
Duodecimal
3a45389b6
16
Hexadecimal
6308ea9a
20
Vigesimal
15j4b1ga
36
Base36
rh8bru
md5
f2c7f496662da1fdc1cfbdd989e3d781
sha1
5a7c87b443f02900e3fd19d12710d38c6d5800c9
sha256
0fcdf31a120e46d7305124aac09bed5c615a0b1e9bdb03de4682518d1388217a
sha512
6dcc60f367c9527ebd1271054200a416b7914457704359b2f02fce40d671e28c07dacd2a057c6731c6f4d12bf4b1b2a7d4104f5c86f988bc8e8534f2ef1f091b
ripemd-160
25aba373de676279ae0c184873d3bb7b8eb28574
Diameter
3323057460
Circumference
10439692903.793
Area
8.6729248460144E+18
Volume
1.9213751739712E+28
Surface area
3.4691699384058E+19
Circumference
10439692903.793
Perimeter
6646114920
Area
2760677720615412900
Diagonal
2349756464.2385
Surface area
1.6564066323692E+19
Volume
4.5869453470734E+27
Space diagonal
2877852178.5954
Perimeter
4984586190
Area
1.1954085188573E+18
Altitude
1438926089.2977
Surface area
1.1954085188573E+18
Volume
5.4057669330795E+26
Height
783252154.74618